Pro Trek; Resin strap; Low temperature resistant (-10 deg C / 14 deg F); Digital compass; Measures and displays direction as one of 16 points; Measures 0 deg to 359 deg in 1 deg increments; Altimeter - measuring range -700 to 10,000 metres (-2300 to 32,800 ft) measuring unit of 5 metres (20 ft); Auto memory measurements records up to 41 sets of data, each including altitude, date and time. Relative altitude display - Cumulative total ascent memory - Maximum altitude memory - Altitude alarm ; 1 second stopwatch (co-ordinated with altimeter) ; Barometer - Display range of 260 to 1,100 hPa/mb (7.65 to 32.45 in Hg) ; Display unit 1 hPa/mb (0.05 inHg) Atmospheric tendency graph; Thermometer - Display range -10 to 60 deg C (14 to 140 deg F) ; Duplex LCD; Daily alarm ; Hourly time signal ; Low battery warning display; Power save functions (Turns off the display when watch is left in the dark) ; Auto calendar to year 2039; Two year Casio warranty. Price includes delivery